/* * from ns.h 4.33 (Berkeley) 8/23/90 * $Id: ns_glob.h,v 1.7 1994/06/11 22:04:46 vixie Exp $ */ /* * ++Copyright++ 1986 * - * Copyright (c) 1986 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * Portions Copyright (c) 1993 by Digital Equipment Corporation. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies, and that * the name of Digital Equipment Corporation not be used in advertising or * publicity pertaining to distribution of the document or software without * specific, written prior permission. * * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS * SOFTWARE. * - * --Copyright-- */ /* * Global variables for the name server. */ #ifdef DEBUG DECL int debug INIT(0); DECL FILE *ddt INIT(NULL); #endif /* list of open streams */ DECL struct qstream *streamq INIT(QSTREAM_NULL); /* list of datagram interfaces */ DECL struct qdatagram *datagramq INIT(QDATAGRAM_NULL); /* often set to the current time */ DECL struct timeval tt; /* head of allocated queries */ DECL struct qinfo *qhead INIT(QINFO_NULL); /* list of forwarding hosts */ DECL struct fwdinfo *fwdtab INIT(NULL); /* next forwarded query id */ DECL int nsid INIT(0); /* datagram socket */ DECL int ds INIT(-1); /* listening TCP socket */ DECL int vs INIT(-1); /* received SIGHUP, need to reload db */ DECL int needreload INIT(0); /* need to call ns_maint()*/ DECL int needmaint INIT(0); /* how often does ns_maint() need to be called, in seconds? */ /* (beware: this is also the upper bound on named_xfer real time) */ DECL int maint_interval INIT(15*60); /* need to reload secondary zone(s) */ DECL int needzoneload INIT(0); /* need to dump database */ DECL int needToDoadump INIT(0); /* need to checkpoint cache */ DECL int needToChkpt INIT(0); /* need to dump statistics */ DECL int needStatsDump INIT(0); #ifdef ALLOW_UPDATES /* need to exit (may need to doadump * first, if database has changed since * it was last dumped/booted). Gets * set by shutdown signal handler * (onintr) */ DECL int needToExit INIT(0); #endif /* ALLOW_UPDATES */ #ifdef QRYLOG /* is query logging turned on? */ DECL int qrylog INIT(0); #endif /*QRYLOG*/ /* is this a root server that should therefore not recurse? */ DECL int NoRecurse INIT(0); /* * We keep a list of favored networks headed by nettab. * There are three (possibly empty) parts to this list, in this order: * 1. directly attached (sub)nets. * 2. logical networks for directly attached subnetted networks. * 3. networks from the sort list. * The value (*elocal) points at the first entry in the second part of the * list, if any, while (*enettab) points at the first entry in the sort list. */ DECL struct netinfo *nettab INIT(NULL); DECL struct netinfo **elocal INIT(&nettab); DECL struct netinfo **enettab INIT(&nettab); #ifdef XFRNETS /* list of nets we're willing to zone transfer to */ DECL struct netinfo *xfrnets INIT(NULL); #endif #ifdef BOGUSNS /* list of bogus nameservers */ DECL struct netinfo *boglist INIT(NULL); #endif /* loopback net */ DECL struct netinfo netloop; /* port to which we send queries */ DECL u_int16_t ns_port; /* Source addr of last packet */ DECL struct sockaddr_in from_addr; /* Source addr size of last packet */ DECL int from_len; /* Used by ns_stats */ DECL time_t boottime, resettime; /* next query to retry */ DECL struct qinfo *retryqp INIT(NULL); /* default boot file */ #ifdef BOOTFILE DECL char *bootfile INIT(BOOTFILE); #else DECL char *bootfile INIT(_PATH_BOOT); #endif /* default debug output file */ #ifdef DEBUGFILE DECL char *debugfile INIT(DEBUGFILE); #else DECL char *debugfile INIT(_PATH_DEBUG); #endif #ifdef WANT_PIDFILE /* file to store current named PID */ #ifdef PIDFILE DECL char *PidFile INIT(PIDFILE); #else DECL char *PidFile INIT(_PATH_PIDFILE); #endif #endif /*WANT_PIDFILE*/ /* zone information */ DECL struct zoneinfo *zones INIT(NULL); /* number of zones in use */ DECL int nzones INIT(0); /* true on slave server */ DECL int forward_only INIT(0); /* set if we need a priming */ DECL int needs_prime_cache INIT(0); /* is cache being primed */ DECL int priming INIT(0); /* ptrs to dnames in msg for dn_comp */ DECL u_char *dnptrs[40]; /* number of names in addinfo */ DECL int addcount; /* name of cache file */ DECL char *cache_file; #ifdef LOCALDOM /* our local domain (deprecated in favor of resolv.conf) */ DECL char *localdomain; #endif #ifdef SLAVE_FORWARD /* retry time when a slave */ DECL int slave_retry INIT(4); #endif #ifdef STATSFILE DECL char *statsfile INIT(STATSFILE); #else DECL char *statsfile INIT(_PATH_STATS); #endif DECL char sendtoStr[] INIT("sendto"); /* defined in version.c, can't use DECL/INIT */ extern char Version[]; /* max value of xfers_running */ DECL int max_xfers_running INIT(MAX_XFERS_RUNNING);